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In the Payload Hazardous Servicing Facility, the Stardust spacecraft waits to be encased in a protective canister for its move to Launch Pad 17-A, Cape Canaveral Air Station, for launch preparations. Stardust is targeted for liftoff on Feb. 6 aboard a Boeing Delta II rocket for a close encounter with the comet Wild 2 in January 2004. Using a silicon-based substance called aerogel, Stardust will capture comet particles flying off the nucleus of the comet. The spacecraft also will bring back samples of interstellar dust. These materials consist of ancient pre-solar interstellar grains and other …
